<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">

function boom() {
  var ns = document.createElementNS("http://www.w3.org/1999/xhtml", "script");
  var nt = document.createTextNode("bang();");
  ns.appendChild(nt);
  document.getElementById("v").appendChild(ns);
}

function bang()
{
  var scriptElement = document.getElementById("v").lastElementChild;
  "" + scriptElement;
}

</script>
</head>
<body onload="boom();"><div id="v"></div></body>
</html>
